/[classpath]/classpath/java/lang/String.java
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revision 1.58.2.14 by gnu_andrew, Wed Nov 2 21:44:47 2005 UTC revision 1.58.2.15 by gnu_andrew, Sun Nov 27 21:00:37 2005 UTC
# Line 1875  public final class String Line 1875  public final class String
1875    
1876      return value;      return value;
1877    }    }
1878      
1879      /**
1880       * Returns true iff this String contains the sequence of Characters
1881       * described in s.
1882       * @param s the CharSequence
1883       * @return true iff this String contains s
1884       */
1885      public boolean contains (CharSequence s)
1886      {
1887        return this.indexOf(s.toString()) != -1;
1888      }
1889      
1890      /**
1891       * Returns a string that is this string with all instances of the sequence
1892       * represented by <code>target</code> replaced by the sequence in
1893       * <code>replacement</code>.
1894       * @param target the sequence to be replaced
1895       * @param replacement the sequence used as the replacement
1896       * @return the string constructed as above
1897       */
1898      public String replace (CharSequence target, CharSequence replacement)
1899      {
1900        String targetString = target.toString();
1901        String replaceString = replacement.toString();
1902        int targetLength = target.length();
1903        int replaceLength = replacement.length();
1904        
1905        int startPos = this.indexOf(targetString);
1906        StringBuilder result = new StringBuilder(this);    
1907        while (startPos != -1)
1908          {
1909            // Replace the target with the replacement
1910            result.replace(startPos, startPos + targetLength, replaceString);
1911    
1912            // Search for a new occurrence of the target
1913            startPos = result.indexOf(targetString, startPos + replaceLength);
1914          }
1915        return result.toString();
1916      }
1917  }  }

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